Share: Fintech has been a venture capital hotspot ever since the global financial crisis, a calamity that exposed some serious flaws in an industry long dominated by an upper-crust of traditional names. In the ensuing years, a host of new companies pitching upstart technologies have begun to gain ground on the establishment, winning over converts among both users and investors. And this week made it clear just how far some of those companies have come. An eye-popping IPO from Affirm led the way, but more than a half-dozen other fintech startups also made major news. And that's one of 10 things you need to know from the past week: